CVE-2026-40375

Analyzed Analyzed - Analysis Complete

Missing Authorization in Dynamics Business Central Discloses Information

Publication date: 2026-08-11

Last updated on: 2026-08-13

Assigner: Microsoft Corporation

Description

Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-11

Last Modified

2026-08-13

Generated

2026-09-01

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-30

NVD

CVE-2026-40375

EUVD

EUVD-2026-56299

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	dynamics_365_business_central_2025	From 26.0 (inc) to 26.0.50788 (exc)
microsoft	dynamics_365_business_central_2025	From 27.0 (inc) to 27.0.50789 (exc)
microsoft	dynamics_365_business_central_2026	From 28.0 (inc) to 28.0.50938 (exc)
microsoft	dynamics_365_business_central_2024	From 25.1.25900 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authorization issue in Microsoft Dynamics Business Central. It allows an authorized attacker to access and disclose sensitive information over a network without proper restrictions.

Detection Guidance

Detecting this vulnerability requires checking for unauthorized access or information disclosure in Microsoft Dynamics Business Central. Monitor network traffic for unusual data exfiltration attempts and review access logs for unauthorized queries or requests. Ensure proper authorization checks are enforced in the application.

Impact Analysis

An attacker could exploit this to steal confidential data, such as customer or business records, leading to potential financial loss, reputational damage, or further attacks on connected systems.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR (data protection) and HIPAA (health information privacy) by failing to secure sensitive personal or health data.

Mitigation Strategies

Apply the latest security updates from Microsoft for Dynamics Business Central to address the missing authorization issue.

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